How To Clean Sponge Filter with Aquarium Water:

It is very important to know how to clean a sponge filter & how often you need to clean it. Sponge filters are very good when it comes to cleaning & you can use them in fry tanks & in aquariums that are too dirty. Maintenance of such filters is very simple as long as you follow the tips that have been discussed in this tutorial.

I use this dirty water to water my plants because dirty water can act as fertilizer for them. All the fish waste & leftover food are the fertilizers my plants need. I have too many guppies in my aquarium but most of them are babies. Sponge filters can be used in fry tanks because they can suck fish food & fry can eat the leftover food attached to the sponge. I have used a double sponge filter in my aquarium.

Steps: How to clean sponge filter:

In this tutorial I will show you how to clean a sponge filter. Read all the steps explained in this article.

Step 1: Fill bucket with aquarium water:


Step 1: Fill bucket with aquarium water


The best time to clean the filter is during or after changing water. When you remove the sponge filter, the aquarium water might become a bit cloudy but don’t worry about it. It will be clear within an hour or 2. Use a clean bucket & fill it up with aquarium water. Do not use tap water in this bucket. Tap water contains chlorine which can destroy good bacteria so avoid using them. Take water from the aquarium & squeeze sponge in it. Keep separate accessories for aquarium & do not use them for other purposes as they may get some chemicals which can be toxic to fish.

Step 2: Clean sponge by squeezing it in bucket water:



Step 2: Clean sponge by squeezing it in bucket water


Clean the sponge by squeezing it till it stops releasing that yucky water. It takes around 30 – 45 seconds when I clean the sponge but that time can vary based on the size of the sponge & how dirty it is after sucking fish waste & food. If the sponge filter is very dirty then you can use 2 buckets of water. Squeeze sponge in first bucket & when it makes water very dirty then use another bucket & begin squeezing it in this second bucket as well. After the sponge is clean, put it back as quickly as possible & turn on the filter. Clean sponge filter every 2-3 weeks, & I clean 1 sponge at a time only so that aquarium water does not lose a significant amount of good bacteria.

Tips for cleaning sponge filter:

  • Turn off the power to the air pump.
  • Only clean 1 filter at a time if it is a double sponge filter.
  • Do not squeeze the sponge for too long & spend around 30 – 45 seconds while cleaning the sponge filter. This time may vary based on how dirty the sponge is & also time may vary based on the size of the sponge.
  • Use 2 buckets if the sponge filter is very dirty.

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